. >> the concern for their son, sammy. >> they're afraid of malaria. >> he hasn't had it? >> yes, very. >> it. >> try it with the help of a flashlight they took us inside of their hut showing us the torn mosquito net they sleep under. a net offering little protection because of the holes. if a child does develop malaria immediate treatment can be a difference between life and death. >> it's number one killer disease for under five. >> this surgeon is trained in san francisco general hospital's trauma institute learning techniques for healing fractures but most children are suffering from extreme complications from mallayera. families often don't reach the hospital until the symptoms are already severe. >> so they're rushed in, gasping and requiring a urgent blood transfusion. >> help could be soon on the way from the bay area, this berkeley researcher and his team have developed a synthetic form of the commonly used drug until now came only from the worm wood plant. and scientists used synthetic biology to produce it from bacteria e coli in huge tank autos the goal is to i